Project Runway Season 21 is here, and Heidi Klum is already serving major style inspo behind the scenes. See her glam looks here.

The supermodel and executive producer Michael Rucker discuss their homecomings to the series, the dynamic cast and why Christian Siriano remained as the designer’s mentor with the network shift.

Klum and her former co-host Gunn, 71, both exited “Project Runway” seven years ago, with the Sports Illustrated Swimsuit cover star sharing a heartfelt goodbye at the time.